CVE-2020-12933: AMD Atikmdag.sys

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A denial of service vulnerability exists in the D3DKMTEscape handler functionality of AMD ATIKMDAG.SYS (e.g. version 26.20.15029.27017). A specially crafted D3DKMTEscape API request can cause an out-of-bounds read in Windows OS kernel memory area. This vulnerability can be triggered from a non-privileged account.

Affected products

• AMD Atikmdag.sys: version 26.20.15029.27017 only

Published 2020-10-13. Last modified 2026-06-17.